While the first and second battalions were in the West Indies two additional battalions were embodied at Hamilton, in North Britain, on the 25th of December, 1804, and added to the establishment of the FIRST, or ROYAL Regiment of Foot, which now consisted of four battalions, all fit for active service. [Sidenote: 1805] [Sidenote: 4th Batt.] Soon afterwards the fourth battalion marched to Stirling Castle, and, after doing duty there a short time, embarked for Ireland. [Sidenote: 3rd Batt.] In May, 1805, the third battalion marched from Scotland to the south of England. [Sidenote: 2nd Batt.] [Sidenote: 1806] In February of the same year the two flank companies of the second battalion were detached from Tobago, for the defence of the island of Antigua; and the battalion companies embarked for the defence of Trinidad; and in July the whole returned to Tobago, where the battalion remained until November of the same year, when, after transferring its effective non-commissioned officers, drummers, and private men to the first battalion, it embarked for England, and landed in January, 1806, a mere skeleton. [Sidenote: 4th Batt.] [Sidenote: 3rd Batt.] This year (1806) the fourth battalion quitted Ireland, and on its arrival in England it was quartered at Horsham, and afterwards at Bexhill barracks. The third battalion was also stationed, during the winter of the same year, at Bexhill barracks. [Sidenote: 1807] [Sidenote: 2nd Batt.] In the meantime information arrived in England of the revolt of two battalions of Sepoys, in the service of the East India Company, at Vellore, and of their attack on a few companies of the King's troops at that place in July, 1806; also of the alarming spirit of insubordination evinced by the native troops in other parts of India; and the second battalion of the ROYAL Regiment was immediately ordered to embark for India, to strengthen the European force in that country. When the order arrived the battalion only mustered about 500 men; but it was completed in twenty-four hours to 1000, by volunteers from the third and fourth battalions, then at Bexhill barracks. On the 17th of April, 1807, it embarked at Portsmouth in six China ships, under the orders of Lieut.-Colonel A. Stewart, arrived off the west coast of the Malay peninsula in September following, and landed on the 18th of that month on the Prince of Wales's Island. [Sidenote: 3rd Batt.] The third battalion had in the meantime proceeded to the island of Jersey, from whence it embarked, in September, for Ireland. [Sidenote: 4th Batt.] The fourth battalion, consisting, after it had transferred its service-men to the second, of about 40 rank and file, embarked in April of the same year at Portsmouth, for Scotland; arrived at Glasgow on the 29th of that month, and commenced recruiting its numbers. [Sidenote: 2nd Batt.] [Sidenote: 1808]